Read Sony MHC-VX3 (serv.man2) Service Manual online
2
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY MARK
!
OR DOTTED LINE WITH
MARK
!
ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS
LIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESE
COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS
APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS
PUBLISHED BY SONY.
COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS
APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS
PUBLISHED BY SONY.
The laser diode in the optical pick-up block may suffer electrostatic
break-down because of the potential difference generated by the
charged electrostatic load, etc. on clothing and the human body.
During repair, pay attention to electrostatic break-down and also
use the procedure in the printed matter which is included in the
repair parts.
The flexible board is easily damaged and should be handled with
care.
break-down because of the potential difference generated by the
charged electrostatic load, etc. on clothing and the human body.
During repair, pay attention to electrostatic break-down and also
use the procedure in the printed matter which is included in the
repair parts.
The flexible board is easily damaged and should be handled with
care.
NOTES ON LASER DIODE EMISSION CHECK
The laser beam on this model is concentrated so as to be focused on
the disc reflective surface by the objective lens in the optical pick-
up block. Therefore, when checking the laser diode emission,
observe from more than 30 cm away from the objective lens.
the disc reflective surface by the objective lens in the optical pick-
up block. Therefore, when checking the laser diode emission,
observe from more than 30 cm away from the objective lens.
Notes on chip component replacement
• Never reuse a disconnected chip component.
• Notice that the minus side of a tantalum capacitor may be dam-
• Notice that the minus side of a tantalum capacitor may be dam-
aged by heat.
Flexible Circuit Board Repairing
• Keep the temperature of the soldering iron around 270 ˚C dur-
ing repairing.
• Do not touch the soldering iron on the same conductor of the
circuit board (within 3 times).
• Be careful not to apply force on the conductor when soldering
or unsoldering.
NOTES ON HANDLING THE OPTICAL PICK-UP
BLOCK OR BASE UNIT
BLOCK OR BASE UNIT
CAUTION
Use of controls or adjustments or performance of procedures
other than those specified herein may result in hazardous
radiation exposure.
other than those specified herein may result in hazardous
radiation exposure.
This appliance is classified as a CLASS 1 LASER product.
The CLASS 1 LASER PRODUCT MARKING is located on
the rear exterior.
The CLASS 1 LASER PRODUCT MARKING is located on
the rear exterior.
Laser component in this product is capable of emitting radiation
exceeding the limit for Class 1.
exceeding the limit for Class 1.
The following caution label is located inside the unit.
Tuner section
FM stereo, FM/AM superheterodyne tuner
FM tuner section
Tuning range
Tuning range
87.5-108.0 MHz
Antenna
FM lead antenna
Antenna terminals
75
Ω
unbalanced
Intermediate frequency
10.7 MHz
AM tuner section
Tuning range
2 Band type:
2 Band type:
531-1,602 kHz
(with the interval set at 9 kHz)
530-1,710 kHz
(with the interval set at 10 kHz)
(with the interval set at 9 kHz)
530-1,710 kHz
(with the interval set at 10 kHz)
3 Band type:
Middle Eastern models:
MW:
Middle Eastern models:
MW:
531-1,602 kHz
(with the interval set at 9 kHz)
(with the interval set at 9 kHz)
SW:
5.95-17.90 MHz
(with the interval set at 5 kHz)
(with the interval set at 5 kHz)
Other models:
MW:
MW:
531-1,602 kHz
(with the interval set at 9 kHz)
530-1,710 kHz
(with the interval set at 10 kHz)
(with the interval set at 9 kHz)
530-1,710 kHz
(with the interval set at 10 kHz)
SW:
5.95-17.90 MHz
(with the interval set at 5 kHz)
(with the interval set at 5 kHz)
Antenna
AM loop antenna
Antenna terminals
External antenna terminal
Intermediate frequency
450 kHz
General
Power requirements
Thailand models:
Thailand models:
220-240 V AC, 50/60 Hz
Other models:
110-120 V or 220-240 V AC, 50/60 Hz
Power consumption
110 W
Dimensions (w/h/d)
Approx. 280
×
340
×
380 mm
(11
× 13
3
/
8
×
15 in.)
Mass:
Approx. 9.5 kg
(21 lb.)
(21 lb.)
Supplied accessories:
AM loop antenna (1)
Remote commander (1)
Batteries (2)
FM lead antenna (1)
Front speaker pads (8)
Video connecting cable (1)
Remote commander (1)
Batteries (2)
FM lead antenna (1)
Front speaker pads (8)
Video connecting cable (1)
Design and specifications are subject to change without notice.
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